class Foo(object):
    def __init__(self):
        self.name = 'Foo'


def subscr_binary():
    a = []
    a[0]

def subscr_store():
    a = []
    a[0] = 1

def subscr_delete():
    a = []
    del a[0]

def attr_load():
    o = Foo()
    o.names

def attr_store():
    o = object()
    o.name = 'bla'

def attr_delete():
    o = Foo()
    del o.names
